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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package jdk.graal.compiler.vector.nodes.simd;

import java.util.Objects;

import jdk.graal.compiler.core.common.calc.CanonicalCondition;
import jdk.graal.compiler.debug.GraalError;
import jdk.graal.compiler.nodes.ValueNode;

/**
 * Describes a masked SIMD operation. The operation is identified by its class. If the operation is
 * a comparison, this additionally stores its condition and unordered flag.
 */
public class MaskedOpMetaData {
    private final Class<? extends ValueNode> op;
    private final CanonicalCondition cond;
    private final boolean unordered;

    public MaskedOpMetaData(ValueNode node) {
        this.op = node.getClass();
        if (node instanceof SimdPrimitiveCompareNode compare) {
            this.cond = compare.getCondition();
            this.unordered = compare.unorderedIsTrue();
        } else {
            this.cond = null;
            this.unordered = false;
        }
    }

    public Class<? extends ValueNode> op() {
        return op;
    }

    public CanonicalCondition comparisonCondition() {
        GraalError.guarantee(op == SimdPrimitiveCompareNode.class, "not a comparison, %s", op);
        return Objects.requireNonNull(cond);
    }

    public boolean comparisonUnordered() {
        GraalError.guarantee(op == SimdPrimitiveCompareNode.class, "not a comparison, %s", op);
        return unordered;
    }
}
